Skin: Innervation of the skin and blood supply to the skin

Question 1

Outline the 4 afferent type of nerve endings and the layers they are found

Answer 1

• Pacinian corpuscle (subcutis)
• Meissners corpuscle (Papillary dermis)
• Ruffini corpuscle (location not told)
• free nerve endings (papillary dermis)

Question 2

What are Pacinian corpuscles associated with

Answer 2

deep pressure and vibration

Question 3

3. What are meissners corpuscle associated with

Answer 3

light touch and light pressure sensation

Question 4

4. What are ruffini corpuscle associated with

Answer 4

stretching of the skin

Question 5

what are free nerve ending associated with

Answer 5

• pain
• itch
• temperature

Question 6

6. Outline what 2 things efferent nerve endings are associated with

Answer 6

-vessel diameter and blood flow
- information to sweat glands and arrector pili muscles

Question 7

1. What is blood supply to the skin arranged into

Answer 7

arranged into:

• sub papillary plexus
• cutaneous plexus

Question 8

2. What is advantageous about the blood supply to the skin

Answer 8

skin nutrition is maintained while altering flow to. facilitate heat loss/ conservation